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EARLY NORMAL SPEECH AND LANGUAGE DEVELOPMENT
Newborn:The newborn is in flexion pattern, he has a monotonous crying, nasal vocalization and make gutural and posterior sounds because of his imature oral structures and his laringeal structures are relative high. The only experience in extension is Moro Reflex.
1 month:Starts a little bit of asymetry and the young baby experiences laterality, his oral structures are developing gradually and he has eventually a little extension. The nasal vocalization starts to change little by little into more oral vocalization.
2/3 months:More extension starts developing, the young baby can put his hands into his mouth making a sensory (specially tactil) experience. He can bring his hands to midline. Oral vocalization increases.
4/5 months:The baby can move better, he can roll over the side to prone or supine. These movements allow him to develop entonation, intensity and rhithm of language. And the baby increases that by using auditory feed-back. He starts little loud shouts, cooing and breathing turns a little bit deeper.
6/7 months:The baby has developed a better control of the body and the movements, so he can sit and move to prone, supine or side position. He starts babbling. In supine sounds like in /k/ and /g/ are observed. If the baby is in prone position, we hear bilabial sounds as /p/, /b/ and /m/. The percision of bilabial sounds production increases once the baby can sit with much more stability. With a better development of chewing, the tongue and jaw movements increase quality and quantity and so, tongue sounds as /t/, /d/, /n/ and /l/ appear. The articulation percision increases when starts the dissociation between tongue and jaw, that happens when a better body rotation is comming up. The baby makes a variaty os sounds. He starts learning speech by rhitmycal repeting and comparing sounds.
8/9 months:This is a very important fase because the baby will need to put his intelectual skills into language. He has to learn that everything has a name and a function. The meaning of language is learned by interaction with environment, by handling and by interaction of objects and people. Trough this interaction the baby will learn what objects are for, what are their characteristics and how they related in time and space. The baby starts using one sylable word and two sylable words with meaning as /mama/ and /papa/, /da/ and /ta/.
10/11/12 months:The child starts doing whole phrases when the meaning of a whole sentence is resumed in only a word. Starts articulated speech (If the baby starts walking, the speech will not have a good development at the same time because walking demands a lot of the baby. The baby will be more interested on exploring environment by walking and so he will develop inner language).
THE SPEECH AND LANGUAGE DEVELOPMENT DEPENDS ON:
Curitiba, october/10/1995.